The practical tools effectively self-adjust to the size you need and can be used with all systems of measurement.

The small wrench has a different-sized head on each end, while the large wrench has a single large head for bigger nuts and bolts, irrespective of their size and shape, as the wrenches adapt by themselves.

* 2 universal wrenches for all nuts and bolts* Lightweight and self-adjusting set fits 9mm to 32mm* Automatically fits to the size and shape of nuts and bolts* Efficient, practical and easy to use* No need for multiple wrenches with this handy set* Instantly take care of all jobs* 2-Pc. (Snap n Grip) Steel Wrench set includes: * Small, 8-3/8"L * Large, 11-1/8"L * Both wrench has a rubberized grip.